2018-01-28 14:55:21
[ERROR]-[Thread: main]-[com.jfinal.kit.LogKit.error()]: port: 80 already in use!
java.lang.IllegalStateException: port: 80 already in use!
	at com.jfinal.server.JettyServerForIDEA.doStart(JettyServerForIDEA.java:89)
	at com.jfinal.server.JettyServerForIDEA.start(JettyServerForIDEA.java:72)
	at com.jfinal.core.JFinal.start(JFinal.java:174)
	at com.demo.common.DemoConfig.main(DemoConfig.java:42)

2018-01-28 14:55:36
[ERROR]-[Thread: main]-[com.jfinal.kit.LogKit.error()]: Load propties file by invoking PropKit.use(String fileName) method first.
java.lang.IllegalStateException: Load propties file by invoking PropKit.use(String fileName) method first.
	at com.jfinal.kit.PropKit.getProp(PropKit.java:175)
	at com.jfinal.kit.PropKit.getBoolean(PropKit.java:213)
	at com.demo.common.DemoConfig.configConstant(DemoConfig.java:50)
	at com.jfinal.core.Config.configJFinal(Config.java:50)
	at com.jfinal.core.JFinal.init(JFinal.java:63)
	at com.jfinal.core.JFinalFilter.init(JFinalFilter.java:49)
	at org.eclipse.jetty.servlet.FilterHolder.doStart(FilterHolder.java:119)
	at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:64)
	at org.eclipse.jetty.servlet.ServletHandler.initialize(ServletHandler.java:724)
	at org.eclipse.jetty.servlet.ServletContextHandler.startContext(ServletContextHandler.java:265)
	at org.eclipse.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1250)
	at org.eclipse.jetty.server.handler.ContextHandler.doStart(ContextHandler.java:706)
	at org.eclipse.jetty.webapp.WebAppContext.doStart(WebAppContext.java:492)
	at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:64)
	at org.eclipse.jetty.server.handler.HandlerWrapper.doStart(HandlerWrapper.java:95)
	at org.eclipse.jetty.server.Server.doStart(Server.java:277)
	at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:64)
	at com.jfinal.server.JettyServerForIDEA.doStart(JettyServerForIDEA.java:133)
	at com.jfinal.server.JettyServerForIDEA.start(JettyServerForIDEA.java:72)
	at com.jfinal.core.JFinal.start(JFinal.java:174)
	at com.demo.common.DemoConfig.main(DemoConfig.java:42)